Implement initial chrome.browserAction.openPopup API.

chrome/browser/ui/views/browser_actions_container.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_BROWSER_ACTIONS_CONTAINER_H_
 #define CHROME_BROWSER_UI_VIEWS_BROWSER_ACTIONS_CONTAINER_H_
 
 #include "chrome/browser/extensions/extension_keybinding_registry.h"
 #include "chrome/browser/extensions/extension_toolbar_model.h"
 #include "chrome/browser/ui/views/browser_action_view.h"
@@ skipping 241 matching lines @@
   // Returns the height of an icon.
   static int IconHeight();
 
   // ExtensionToolbarModel::Observer implementation.
   virtual void BrowserActionAdded(const extensions::Extension* extension,
                                   int index) OVERRIDE;
   virtual void BrowserActionRemoved(
       const extensions::Extension* extension) OVERRIDE;
   virtual void BrowserActionMoved(const extensions::Extension* extension,
                                   int index) OVERRIDE;
+  virtual void BrowserActionShowPopup(
+      const extensions::Extension* extension) OVERRIDE;
   virtual void ModelLoaded() OVERRIDE;
 
   void LoadImages();
 
   // Sets the initial container width.
   void SetContainerWidth();
 
   // Closes the overflow menu if open.
   void CloseOverflowMenu();
 
@@ skipping 100 matching lines @@
 
   base::WeakPtrFactory<BrowserActionsContainer> task_factory_;
 
   // Handles delayed showing of the overflow menu when hovering.
   base::WeakPtrFactory<BrowserActionsContainer> show_menu_task_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserActionsContainer);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_BROWSER_ACTIONS_CONTAINER_H_